There were no Olympic Games in 2007. The summer games were in 2008 and the winter games were in 2010.
The current medal count can be found at the link below.
Any medal for Romania at the Winter Olympic Games from 2010.
usa won the silver medal for vancover 2010 Olympic winter games
Through the 2010 Winter Games in Vancouver, no.
No, Aruba has not yet won any Olympic medals in the summer or winter games.
No South American country has ever won a winter Olympic medal.